import java.util.List;
import java.util.ListIterator;

import typeinfo.pets.Pet;
import typeinfo.pets.Pets;

public class ListIteration {

	public static void main(String[] args) {
		List<Pet> pets = Pets.arrayList(8);

		ListIterator<Pet> it = pets.listIterator();
		while (it.hasNext()) {
			System.out.println(it.next() + "," + it.nextIndex() + ","
					+ it.previousIndex());
		}
		while (it.hasPrevious()) {
			System.out.print(it.previous().id() + " ");
		}
		System.out.println(pets);
		it = pets.listIterator(3);
		while (it.hasNext()) {
			it.next();
			it.set(Pets.randomPet());
		}
		System.out.println(pets);
	}

}
